<?php
	$x = 1;
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="pt-br">
	<head>
		<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
		
		<meta name = "description" content= "Descricao do site."/>
		<meta name = "keywords" content= "palavaras chaves separadas por virgula."/>
		
		<title>Treinamento xHTML</title>
	</head>
	<body>
<?php 
while($x< 8) {
?>
	<h<?php echo $x;?>> Texto </h<?php echo $x;?>>
<?php
	$x = $x + 1;
	
}
?>
	</body>
</html>